Electric Circuits Which of following materials has the least resistivity ? Mercury. Zinc. Lead. Copper. Mercury. Zinc. Lead. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to 144 AT / m. 222 AT / m. 196 AT / m. 72 AT / m. 144 AT / m. 222 AT / m. 196 AT / m. 72 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 3∠30o Ω. None of these 27∠30o Ω 30∠30o Ω. 3∠30o Ω. None of these 27∠30o Ω 30∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit what is the power factor just above the resonance frequency? Zero Unity Leading Lagging Zero Unity Leading Lagging ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If conductance increases as temperature increases it is called as .......... both 1 and 2. positive co-efficient. None of these negative co-efficient. both 1 and 2. positive co-efficient. None of these negative co-efficient. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the given figure, the Thevenins equivalent voltage and impedance as seen from the terminals P - Q is given by 4 V and 7.5 Ω. 2 V and 7.5 Ω. 2 V and 5 Ω. 4 V and 5 Ω. 4 V and 7.5 Ω. 2 V and 7.5 Ω. 2 V and 5 Ω. 4 V and 5 Ω. ANSWER DOWNLOAD EXAMIANS APP